import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  // 启用代理模式配置需注释baseURL
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 50000 // request timeout
})

// 允许传递cookie
axios.defaults.withCredentials = true

// request interceptor
service.interceptors.request.use(
  config => {
    // 设置json请求头描述
    config.headers['X-Requested-With'] = 'XMLHttpRequest'
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }

    if (store.getters.system) {
      config.headers['sysCode'] = store.getters.system.tenantId
    }

    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.retCode !== '0000' && (res.type !== 'application/octet-stream')) {
      if (res.retCode === '0101') {
        // to re-login
        MessageBox.confirm(res.retDesc, {
          confirmButtonText: '确认',
          type: 'warning',
          showClose: false,
          showCancelButton: false
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      } else {
        Message({
          message: res.retDesc || 'Error',
          type: 'error',
          duration: 1.5 * 1000
        })
      }
      return Promise.reject(new Error(res.retDesc || 'Error'))
    } else {
      return res
    }
  },
  error => {
    // console.log('err' + error) // for debug error.message
    Message({
      message: '系统异常，请稍后重试.',
      type: 'error',
      duration: 1.5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
